Ruling · Ratha Saptamī · 1967

Friday 17 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 100 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two dawns

One ghaṭī is 24 minutes. Aruṇodaya is 2 muhūrtas before sunrise.

Dawn of Thursday 16 February

Saptamī is absent from aruṇodaya. Not taken.

05:24 aruṇodaya beginssunrise 07:10
05:0005:2405:4806:1206:3607:0007:24

0 of 106 minutes covered

Dawn of Friday 17 February

Taken. The only dawn Saptamī reaches.

05:23 aruṇodaya beginssunrise 07:09
04:5905:2305:4706:1106:3506:5907:23

106 of 106 minutes covered

Saptamī presentAruṇodaya, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 08:50 on Thu 16 Feb to 11:03 on Fri 17 Feb.

    1967-02-16T00:49:52Z → 1967-02-17T03:02:41Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:24–07:10 on the 16th, 05:23–07:09 on the 17th.

    arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Saptamī must be present during aruṇodaya. It covers 0 of 106 minutes on the 16th and 106 of 106 on the 17th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Only one dawn qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 5998 s

  5. 05

    Ruling

    Ratha Saptamī, Baoding, 1967: Friday 17 February.

    confidence: determinate

Say it like this

In Baoding, Ratha Saptamī 1967 falls on Friday 17 February. Saptamī runs from 08:50 on Thu 16 Feb to 11:03 on Fri 17 Feb and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/1967/ratha-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 17 Feb
Ahargaṇa, classicalDisc centre, no refractionFri 17 Feb
compat-drikpanchangComparison profileFri 17 Feb
No institution has a recorded ruling for Baoding.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/ratha-saptami · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Śukla · Saptamī
Kāla
Aruṇodaya
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 105

“S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha].” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceSaptamīAruṇodaya 16thCoveredAruṇodaya 17thCoveredRuled
Los Angeles16:50 → 19:0304:53104 min04:530 min16 Feb
Chicago18:50 → 21:0304:59107 min04:580 min16 Feb
Jersey City19:50 → 22:0305:03107 min05:020 min16 Feb
Port of Spain20:50 → 23:0304:4998 min04:490 min16 Feb
London00:50 → 03:0305:22112 min05:210 min16 Feb
Durban02:50 → 05:0304:1087 min04:1052 min16 Feb
Dubai04:50 → 07:0305:12102 min05:11101 min16 Feb
Delhi06:20 → 08:3305:1740 min05:17102 min17 Feb
Kolkata06:20 → 08:3304:280 min04:27101 min17 Feb
Singapore08:20 → 10:3305:110 min05:1195 min17 Feb
Sydney10:50 → 13:0304:050 min04:0686 min17 Feb
Suva12:50 → 15:0304:300 min04:3091 min17 Feb
Profile · tradition
pac-rp@2026.1 · smarta
Rule
ratha-saptami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa